56181805275 has 48 divisors (see below), whose sum is σ = 98384381568. Its totient is φ = 28191552000.

The previous prime is 56181805259. The next prime is 56181805279. The reversal of 56181805275 is 57250818165.

It is not a de Polignac number, because 56181805275 - 2⁴ = 56181805259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56181805279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5210640 + ... + 5221410.

It is an arithmetic number, because the mean of its divisors is an integer number (2049674616).

Almost surely, 2^56181805275 is an apocalyptic number.

56181805275 is a deficient number, since it is larger than the sum of its proper divisors (42202576293).

56181805275 is a wasteful number, since it uses less digits than its factorization.

56181805275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14892 (or 14887 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 48.

The spelling of 56181805275 in words is "fifty-six billion, one hundred eighty-one million, eight hundred five thousand, two hundred seventy-five".